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seminars [2021-07-08] – [Book Review "Coverning the Commons" by Elinor Ostrom] Martin Zieglerseminars [2024-09-25] (current) – [iRRAM for Knots] Martin Ziegler
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 ====== Seminar on Theoretical Computer Science, Logic, and Real Computation ====== ====== Seminar on Theoretical Computer Science, Logic, and Real Computation ======
  
 +  * [[Seminars#2024]]  
 +  * [[Seminars#2023]]
 +  * [[Seminars#2022]]
   * [[Seminars#2021]]   * [[Seminars#2021]]
   * [[Seminars#2020]]   * [[Seminars#2020]]
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   * [[Seminars#2015]]   * [[Seminars#2015]]
  
 +===== 2024 =====
 +
 +====iRRAM for Knots====
 +  * September 26, 11h00 KST 
 +  * hybrid offline (N1 #524) + online (Zoom, ask for coordinates)
 +  * Jaden Jorradol (KAIST)
 +
 +Rehearsal for presentation of [[https://cs.kaist.ac.kr/research/techReport|KAIST Technical Report CS-TR-2024-428]] at [[https://www.lix.polytechnique.fr/CCC2024/|CCC'2024]].
 +
 +====Implementation of the Burau spectral test====
 +  * June 4, 13h30 KST
 +  * hybrid offline (N1 #422) + online (Zoom, ask for coordinates)
 +  * Alexander Stoimenov (Dongguk University)
 +  * Jaden Jorradol (KAIST)
 +
 +We use the spectrum of the Burau representation to introduce
 +a series of tests for a braid being conjugate
 +to a reducible braid, valid for every braid group.
 +The method can be extended to exchangeable and
 +composite braids and to Markov equivalence.
 +We also determine the exact location of
 +the eigenvalues of the Burau matrix (for suitable
 +parameter), with those
 +for reducible braids filling a complex disk and
 +for the exchange move a Descartes oval.
 +
 +===== 2023 =====
 +
 +====Continuous Local Strategies for Robotic Formation Problems====
 +===by Barbara Kempkes and Friedhelm Meyer auf der Heide (2012)===
 +
 +  * June 28, 19h KST
 +  * Rakhman Ulzhalgas (KAIST) 
 +
 +
 +===== 2022 =====
 +
 +====Computing with Infinite Objects via Coinductive Definitions====
 +  * June 2, 14h30 KST
 +  * Dieter Spreen (U Siegen)
 +
 +//Abstract://
 +A representation-free logic-base approach for computing with infinite objects will be presented. The logic is intuitionistic first-order logic extended by strictly positive inductive and coinductive definitions. Algorithms can be extracted from proofs via realizability. The approach allows to deal with objects like the real numbers and nonempty compact sets of such. More general, it allows to deal with compact metric spaces that come equipped with a finite set of contractions such that the union of their ranges covers the space, and with continuous maps between such spaces. The computational power of the approach is equivalent to that of type-two theory of effectivity.
 +
 +{{http://kaist.theoryofcomputation.asia/_media/screenshot_2022-06-02_152534.png}}
 ===== 2021 ===== ===== 2021 =====
  
-Currently the seminar is taking place via Zoom, contact [[https://kaist.theoryofcomputation.asia/members#dr_svetlana_selivanova|Svetlana]] for the link.+
  
 ====Book Review "Governing the Commons" by Elinor Ostrom==== ====Book Review "Governing the Commons" by Elinor Ostrom====